Boot liner



FIG. 1 is a left side elevational view of a boot liner showing my new design;

FIG. 2 is a front elevational view of the boot liner of FIG. 1;

FIG. 3 is a rear elevational view of the boot liner of FIG. 1;

FIG. 4 is a top plan view of the boot liner of FIG. 1; and

FIG. 5 is a bottom plan view of the boot liner of FIG. 1. 

I claim the ornamental design for a boot liner, as shown. 